Wireless charging hub



FIG. 1 is a bottom view of a wireless charging hub showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front perspective view thereof;

FIG. 4 is a rear perspective view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a left side elevational view thereof; and,

FIG. 8 is a right side elevational view thereof.

The broken lines in FIG. 7 illustrate portions of the wireless charging hub that form no part of the claimed design. 

CLAIM The ornamental design for a wireless charging hub, as shown and described. 